The Magnum MS2012 Series Inverter/Charger from Magnum Energy is a pure sine wave inverter designed specifically for the most demanding mobile and off grid applications. The MS Series is powerful, easy-to-use, and best of all, cost effective. The MS2012 is a 2000 watt 100 amp model that is ETL Listed to the stringent requirements of UL/cUL 458 for mobile use and are ETL Listed UL 1741 and CSA C22.2 #107.1-01 for renewable energy installations. All models also meet KKK-A-1822E standards for emergency vehicle use. Install the MS Series in four easy steps: simply connect the inverter's output to your distribution circuits or electrical panel, connect your utility power cable to the inverters easy-to-reach terminal block, connect the batteries, and switch on the power.